diff --git a/ShiftOS_TheReturn/Commands.cs b/ShiftOS_TheReturn/Commands.cs
index 2e70151..7df700f 100644
--- a/ShiftOS_TheReturn/Commands.cs
+++ b/ShiftOS_TheReturn/Commands.cs
@@ -112,6 +112,7 @@ namespace ShiftOS.Engine
     {
         [Command("setvol", description = "Set the volume of the system audio to anywhere between 0 and 100.")]
         [RequiresArgument("value")]
+        [RequiresUpgrade("audio_volume")]
         public static bool SetVolume(Dictionary<string,object> args)
         {
             int val = Convert.ToInt32(args["value"].ToString());
@@ -119,6 +120,13 @@ namespace ShiftOS.Engine
             AudioManager.SetVolume(volume);
             return true;
         }
+        [RequiresUpgrade("audio_volume")]
+        [Command("mute", description = "Sets the volume of the system audio to 0")]
+        public static bool MuteAudio()
+        {
+            AudioManager.SetVolume(0);
+            return true;
+        }
     }
 
     [RequiresUpgrade("mud_fundamentals")]